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Magnetar Financial LLC

SEC CIK
0001352851
Latest filing
Aug 14, 2026

Holdings in Q3 2021

Holdings as of Sep 30, 2021, filed Jan 14, 2022. Long positions only; changes compare share counts with Q2 2021.

Institution overview
Positions
1,281
+111 vs. Q2 2021
Portfolio value
$9.82B
−$13.1M (−0.1%) vs. Q2 2021
Filed
Jan 14, 2022
AmendedSEC
Holdings of Magnetar Financial LLC in Q3 2021
SecurityClassSharesValue% of portfolioShare changeActionHistory
NUANNuance Communications, Inc.COM3,184,378$175.3M1.8%+52,548+1.7%AddedHistory
KSUKansas City SouthernCOM NEW636,820$172.3M1.8%+27,342+4.5%AddedHistory
Coherent Inc192479103COM671,313$167.9M1.7%+12,006+1.8%Added–
PPDPPD, Inc.COM3,578,360$167.4M1.7%+305,281+9.3%AddedHistory
Athene Holding Ltd.G0684D107CL A2,336,583$160.9M1.6%−81,093−3.4%Reduced–
XLNXXilinx IncCOM1,032,726$155.9M1.6%−122,458−10.6%ReducedHistory
CHNGChange Healthcare Inc.COM7,304,274$153.0M1.6%+537,673+7.9%AddedHistory
HRCHill-Rom Holdings, Inc.COM1,015,775$152.4M1.6%+995,136+4,821.6%AddedHistory
WBTWelbilt, Inc.COM6,398,485$148.7M1.5%+3,608,311+129.3%AddedHistory
Shaw Communications Inc82028K200CL B CONV5,098,854$148.1M1.5%+89,421+1.8%Added–
SAFMSanderson Farms IncCOM775,742$146.0M1.5%+772,892+27,119.0%AddedHistory
XLRNAcceleron Pharma IncCOM831,663$143.1M1.5%+831,663NewHistory
TXNMTXNM Energy IncCOM2,847,777$140.9M1.4%+55,514+2.0%AddedHistory
VERVEREIT, Inc.COM2,898,067$131.1M1.3%+60,010+2.1%AddedHistory
RAVNRaven Industries IncCOM2,140,896$123.3M1.3%+233,873+12.3%AddedHistory
FIVNFive9, Inc.COM770,008$123.0M1.3%+764,312+13,418.4%AddedHistory
MGPMGM Growth Properties LLCCL A COM3,184,026$121.9M1.2%+3,184,026NewHistory
UFSDomtar CORPCOM NEW2,212,559$120.7M1.2%+44,891+2.1%AddedHistory
AJRDAerojet Rocketdyne Holdings, Inc.COM2,729,948$118.9M1.2%+54,566+2.0%AddedHistory
MGLNMagellan Health IncCOM NEW1,215,822$115.0M1.2%+24,586+2.1%AddedHistory
PBCTPeople's United Financial, Inc.COM6,358,441$111.1M1.1%+129,916+2.1%AddedHistory
Churchill Capital Corp VII17144M201UNIT 99/99/999911,059,900$109.3M1.1%−1,1000.0%Reduced–
FOEFerro CorpCOM4,951,726$100.7M1.0%+70,574+1.4%AddedHistory
LCIDLucid Group, Inc.COM3,521,683$89.4M0.9%+3,521,683NewHistory
KDMNKadmon Holdings, Inc.COM9,871,249$86.0M0.9%+9,871,249NewHistory
KRAKraton CorpCOM1,840,493$84.0M0.9%+1,840,493NewHistory
Score Media & Gaming Inc80919D202CL A SUB VTG SHS2,397,449$82.1M0.8%+2,397,449New–
CAI International, Inc.12477X106COM1,275,849$71.3M0.7%+3,866+0.3%Added–
XENTIntersect ENT, Inc.COM2,557,763$69.6M0.7%+2,557,763NewHistory
Lydall Inc550819106COM1,076,415$66.8M0.7%+20,097+1.9%Added–
KKR Acquisition Holding I Co48253T208UNIT 99/99/99996,681,295$66.7M0.7%−334,015−4.8%Reduced–
Atotech LtdG0625A105COM2,695,995$65.1M0.7%+2,695,995New–
Triple-S Mgmt Corp896749108CL B1,806,243$63.9M0.7%+1,806,243New–
STFCState Auto Financial CORPCOM1,211,352$61.7M0.6%+1,211,352NewHistory
GNOGGolden Nugget Online Gaming, Inc.COM CL A3,399,998$59.1M0.6%+3,399,998NewHistory
Trillium Therapeutics Inc.89620X506COM NEW3,271,390$57.4M0.6%+3,271,390New–
BDXBecton Dickinson & CoStock224,529$55.2M0.6%+54,637+32.2%AddedHistory
SPWHSportsman's Warehouse Holdings, Inc.COM2,943,966$51.8M0.5%+61,875+2.1%AddedHistory
FRTAForterra, Inc.COM2,016,379$47.5M0.5%+39,833+2.0%AddedHistory
CNCCentene CorpStock659,295$41.1M0.4%+659,295NewHistory
GGPIGores Guggenheim, Inc.CLASS A COM3,946,260$40.3M0.4%+3,946,260NewHistory
NVSTEnvista Holdings CorpCOM951,537$39.8M0.4%+451,401+90.3%AddedHistory
Fortress Value Acquisi Corp34964K207UNIT 03/31/20283,988,898$39.3M0.4%−25,462−0.6%Reduced–
CONX Corp.212873202UNIT 10/30/20273,808,384$38.2M0.4%−758,616−16.6%Reduced–
Warburg Pincus Captal Corp IG9460M116UNIT 99/99/99993,837,422$38.1M0.4%−174,048−4.3%Reduced–
NSTBNorthern Star Investment Corp. IICOM CLASS A3,750,000$37.3M0.4%+500,000+15.4%AddedHistory
NRG Energy, Inc.629377CG5DBCV 2.750% 6/0–$37.0M0.4%–––
SYNHSyneos Health, Inc.CL A405,457$35.5M0.4%+20,782+5.4%AddedHistory
ELANElanco Animal Health IncCOM1,097,421$35.0M0.4%+500,563+83.9%AddedHistory
OKLOOklo Inc.COM CL A3,557,087$35.0M0.4%+3,557,087NewHistory
Etsy Inc29786AAJ5NOTE 0.125%10/0–$34.0M0.3%–––
Churchill Capital Corp VI17143W200UNIT 99/99/99993,374,039$33.9M0.3%−130,561−3.7%Reduced–
Northern Star Invest Corp II66574L209UNIT 02/25/20283,400,000$33.5M0.3%00.0%Unchanged–
Northern Star Invest Corp IV66575B200UNIT 02/25/20283,400,000$33.5M0.3%00.0%Unchanged–
Meritor, Inc.59001KAF7NOTE 3.250%10/1–$30.6M0.3%–––
Solid Power, Inc.24279D105CLASS A COM3,025,982$30.4M0.3%+3,025,982New–
Twitter, Inc.90184LAF9NOTE 0.250% 6/1–$30.2M0.3%–––
Hennessy Capital Invst Corp42600H207UNIT 99/99/99992,970,000$29.6M0.3%+2,970,000New–
Northern Genesis Acquisition66516U101COMMON STOCK2,972,237$29.5M0.3%+2,972,237New–
FTAC Hera Acquisition Corp.G3728Y129UNIT 02/28/20262,928,751$29.2M0.3%−71,249−2.4%Reduced–
Prime Impact Acquisition IG61074111UNIT 10/01/20302,849,157$28.6M0.3%00.0%Unchanged–
Square Inc852234AF0NOTE 0.125% 3/0–$28.5M0.3%–––
ANATAmerican National Group IncCOM NEW148,699$28.1M0.3%+148,699NewHistory
BSXBoston Scientific CorpStock606,052$26.3M0.3%+532,358+722.4%AddedHistory
GWBGreat Western Bancorp, Inc.COM793,568$26.0M0.3%+793,568NewHistory
E Merge Technology Acquisiti26873Y203UNIT 07/30/20252,549,716$25.4M0.3%−281,670−9.9%Reduced–
Churchill Capital Corp V17144T206UNIT 99/99/99992,500,000$25.3M0.3%00.0%Unchanged–
PG&E Corp69331C140UNIT 99/99/9999262,000$25.2M0.3%+5,000+1.9%Added–
Nextgen Acquisition Corp IIG65317102CLASS A ORD SHS2,512,175$24.9M0.3%+2,512,175New–
CTEVClaritev CorpCOM4,395,381$24.7M0.3%−370,229−7.8%ReducedHistory
Glenfarne Merger Corp378579205UNIT 03/17/20262,480,738$24.7M0.3%00.0%Unchanged–
CNDAUConcord Acquisition Corp IIUNIT 99/99/99992,475,000$24.7M0.3%+2,475,000NewHistory
Interprivate IV Infratech PR46064T201UNIT 03/05/20262,480,500$24.5M0.2%00.0%Unchanged–
HUMHumana IncStock61,508$23.9M0.2%+43,701+245.4%AddedHistory
CHP Merger Corp.12558Y205UNIT 11/22/20242,288,097$23.8M0.2%00.0%Unchanged–
United States STL Corp New912909AT5NOTE 5.000%11/0–$23.8M0.2%–––
EBSBMeridian Bancorp, Inc.COM1,144,809$23.8M0.2%+25,255+2.3%AddedHistory
Lumentum Hldgs Inc55024UAB5NOTE 0.250% 3/1–$23.6M0.2%–––
Healthwell Acquisition Corp42227R208UNIT 08/05/20282,400,000$23.6M0.2%+2,400,000New–
Burgundy Technology Acqu CorG1702T116CL A2,364,110$23.5M0.2%00.0%Unchanged–
Revolution Healthcar Aq Corp76155Y207UNIT 03/18/202662,370,945$23.4M0.2%−10,667−0.4%Reduced–
AVTRAvantor, Inc.COM563,869$23.1M0.2%−113,950−16.8%ReducedHistory
Tech and Energy Transition87823R201UNIT 03/31/20282,258,790$22.5M0.2%00.0%Unchanged–
VPC Impact Acqu Holdi III IN91835J108COM CL A2,252,328$22.3M0.2%+2,252,328New–
VPC Impact Acquisition HldgG9460L126CLASS A ORD2,252,428$22.2M0.2%+2,252,428New–
CIIG Capital Partners II, Inc.12561U208UNIT 02/28/20282,156,250$21.7M0.2%+2,156,250New–
Apollo Strategic Growth CaptG0411R122UNIT 99/99/99992,133,513$21.4M0.2%−634,055−22.9%Reduced–
National Vision Hldgs Inc63845RAB3NOTE 2.500% 5/1–$21.1M0.2%–––
Byte Acquisition CorpG1R25Q121UNIT 03/18/20292,106,400$21.0M0.2%00.0%Unchanged–
EVLVEvolv Technologies Holdings, Inc.COM CL A3,500,000$21.0M0.2%+3,500,000NewHistory
DISH Network CORP25470MAB5NOTE 3.375% 8/1–$20.8M0.2%–––
BMYBristol Myers Squibb CoStock347,543$20.6M0.2%+66,485+23.7%AddedHistory
CF Acquisition Corp. IV12520T201UNIT 12/31/20272,073,200$20.5M0.2%00.0%Unchanged–
Periphas Capital Partnering Corp713895209UNIT 99/99/9999827,406$20.4M0.2%00.0%Unchanged–
AURAurora Innovation, Inc.CLASS A ORD SHS2,048,528$20.3M0.2%+2,048,528NewHistory
Oyster Enterprises Acq Corp69242M203UNIT 01/20/20262,029,820$20.3M0.2%00.0%Unchanged–
Interprivate III Financial P46064R106COM CL A2,022,347$20.0M0.2%+2,022,347New–
Ross Acquisition Corp IIG7641C122UNIT 99/99/99992,006,580$20.0M0.2%00.0%Unchanged–
Pivotal Investment Corp III72582M205UNIT 01/28/20282,019,445$20.0M0.2%00.0%Unchanged–
Stratim Cloud Acquisition Corp.86309R206UNIT 03/05/20262,005,500$19.9M0.2%00.0%Unchanged–

Options (6)

Puts and calls in the same filing. Amounts are the market value of the underlying shares, which is what 13F reports.

Option positions of Magnetar Financial LLC in Q3 2021
SecurityClassPutsCalls
Lilly Eli & Co532457908CALL–$416.0K
Sanofi80105N905CALL–$240.0K
Lucid Group Inc549498953COM$86.0K–
SPDR S&P 500 ETF Tr78462F953PUT$70.0K–
iShares Tr464287953PUT$68.0K–
Avantor Inc05352A900CALL–$45.0K

Sold out since Q2 2021 (474)

Positions held at the end of Q2 2021 that are gone from this filing.

The largest 100 of 474 by value last quarter.

Positions of Magnetar Financial LLC sold out since Q2 2021
SecurityClassShares in Q2 2021Value in Q2 2021% of portfolio in Q2 2021History
ALXNAlexion Pharmaceuticals, Inc.COM1,114,010$204.7M2.1%History
PRAHPRA Health Sciences, Inc.COM1,061,545$175.4M1.8%History
MXIMMaxim Integrated Products IncCOM1,546,309$162.9M1.7%History
WTWWillis Towers Watson PLCSHS694,939$159.8M1.6%History
SYKESykes Enterprises IncCOM2,349,480$126.2M1.3%History
NAVNavistar International CorpCOM2,594,904$115.5M1.2%History
WORKSlack Technologies, Inc.COM CL A2,194,228$97.2M1.0%History
KNLKnoll IncCOM NEW2,730,351$71.0M0.7%History
CORECore-Mark Holding Company, LLCCOM1,564,213$70.4M0.7%History
WRIWeingarten Realty InvestorsSH BEN INT2,128,583$68.3M0.7%History
CNSTConstellation Pharmaceuticals IncCOM1,828,482$61.8M0.6%History
Churchill Capital Corp IV171439110*W EXP 08/04/2023,515,598$55.9M0.6%–
Just Eat Takeaway Com N V48214T305SPONSORED ADS3,009,492$55.0M0.6%–
Gores Guggenheim, Inc.38286Q206UNIT 03/25/20284,515,315$45.2M0.5%–
Reinvent Technology PartnersG7483N129CL A4,318,757$43.1M0.4%–
Ascendant Digital AcquisitioG05155109COM CL A3,613,988$36.0M0.4%–
Decarbonization Plus Acqu II24279D204UNIT 03/19/20263,199,506$35.8M0.4%–
Nextgen Acquisition Corp IIG65317110UNIT 03/23/20263,008,630$32.6M0.3%–
KINKindred Biosciences, Inc.COM3,431,998$31.5M0.3%History
Northern Genesis Acquisition66516U200UNIT 99/99/99992,965,300$31.1M0.3%–
OPENOpendoor Technologies Inc.COM1,685,224$29.9M0.3%History
ICLRIcon PLCCOM144,326$29.8M0.3%History
ACHRArcher Aviation Inc.COM2,605,000$25.9M0.3%History
TWC Tech Hldgs II Corp90117G105COM2,398,708$23.8M0.2%–
VPC Impact Acqu Holdi III IN91835J207UNIT 99/99/99992,232,260$22.9M0.2%–
USCRU.S. Concrete, Inc.COM304,746$22.5M0.2%History
VPC Impact Acquisition HldgG9460L100UNIT 03/05/20262,232,260$22.4M0.2%–
Colfax Corp194014205UNIT 01/15/2022T119,000$22.3M0.2%–
EHCEncompass Health CorpCOM282,493$22.0M0.2%History
Reinvent Technology PartnersG7484L114UNIT 03/12/20262,028,410$20.5M0.2%–
Soaring Eagle Acquisition CoG8354H126CL A SHS2,013,055$20.1M0.2%–
Interprivate III Financial P46064R205UNIT 99/99/99992,004,500$20.0M0.2%–
Osprey Technlgy Aquistion Co68839R104COM CL A1,898,955$19.0M0.2%–
DVADavita Inc.COM156,446$18.8M0.2%History
Sandbridge Acquisition Corp799793104COM CL A1,830,573$18.3M0.2%–
M3-Brigade Acquisition II Corp.553800202UNIT 99/99/99991,750,000$17.7M0.2%–
Athena Technology Acquisi Co04687A208UNIT 99/99/99991,755,500$17.5M0.2%–
Sustainable Opportnts Acq CoG8598Y109ORD SHS A1,724,456$17.2M0.2%–
Newhold Investment Corp651448102COM CL A1,637,284$16.4M0.2%–
Lionheart Acquisition Corp I53625R203UNIT 08/13/20251,423,261$14.7M0.2%–
Yucaipa Acquisition CorpG9879L121UNIT 99/99/99991,403,700$14.4M0.1%–
Far Peak Acquisition CorpG3312L129UNIT 99/99/99991,349,554$14.0M0.1%–
Concord Acquisition Corp206071201UNIT 12/28/20251,306,000$13.5M0.1%–
Tortoise Acquisition Corp IIG89554102COM CL A1,319,874$13.2M0.1%–
Cbre Acquisition Hldgs Inc12510J205UNIT 99/99/99991,265,904$12.6M0.1%–
D8 Holdings CorpG2614K110SHS CL A1,261,792$12.6M0.1%–
Good Works Acquisition Corp38216X107COM1,280,431$12.6M0.1%–
MRKMerck & Co., Inc.Stock160,381$12.5M0.1%History
Dmy Technology Group Inc IV23344K201UNIT 99/99/99991,206,400$12.1M0.1%–
Longview Acquisition Corp. II54319Q204UNIT 99/99/99991,138,438$11.5M0.1%–
Galileo Acquisition CorpG3770A128UNIT 99/99/99991,023,341$11.4M0.1%–
Fusion Acquisition Corp36118H105CL A1,130,286$11.2M0.1%–
Foresight Acquisition Corp34552Y205UNIT 01/29/20261,037,800$10.7M0.1%–
Seven Oaks Acquisition Corp81787X205UNIT 12/18/20251,000,000$10.5M0.1%–
Isos Acquisition CorporationG4962C120UNIT 99/99/99991,000,000$10.2M0.1%–
Cartesian Growth CorpG19276123UNIT 02/26/20281,011,875$10.1M0.1%–
Magnum Opus Acquisition LtdG5S70A120UNIT 06/03/20261,004,790$10.1M0.1%–
BridgeBio Pharma, Inc.10806XAB8NOTE 2.500% 3/1–$9.85M0.1%–
Capitol Investment Corp V14064F100COM CL A982,601$9.80M0.1%–
RMG Acquisition Corp IIG76083107CL A SHS960,459$9.56M0.1%–
LGL Sys Acquisition Corp50201G106COM CL A938,832$9.38M0.1%–
Montes Archimedes Acquisitio612657106COM CL A948,041$9.38M0.1%–
Thimble Point Acquisition Co88408P206UNIT 99/99/9999860,304$8.90M0.1%–
Virtuoso Acquisition Corp.92837J203UNIT 01/14/2025825,192$8.88M0.1%–
890 5th Ave Partners Inc28250A204UNIT 01/12/2026863,161$8.86M0.1%–
Gores Hldgs V Inc382864106COM CL A864,791$8.73M0.1%–
Poema Global Holdings CorpG7154B123UNIT 99/99/9999844,044$8.53M0.1%–
LMNXLuminex CorpCOM230,092$8.47M0.1%History
Dte Energy Co233331842UNIT 11/01/2022S170,000$8.37M0.1%–
Omnichannel Acquisition Corp.68218L207UNIT 99/99/9999797,500$8.21M0.1%–
Capstar SPL Purp Acquisition14070Y200UNIT 07/09/2027797,700$8.16M0.1%–
Nextera Energy Inc65339F770UNIT 99/99/9999165,000$8.01M0.1%–
First Choice Bancorp31948P104COM258,496$7.87M0.1%–
Centricus Acquisition CorpG2072Q104CL A SHS781,036$7.73M0.1%–
Wayfair Inc.94419LAF8NOTE 1.000% 8/1–$7.72M0.1%–
Leo Holdings III CorpG5463T116UNIT 99/99/9999760,725$7.67M0.1%–
Pathfinder Acquisition CorpG04119114UNIT 02/17/2026770,390$7.66M0.1%–
Novus Capital Corporation II67012W203UNIT 99/99/9999722,709$7.31M0.1%–
Kismet Acquisition One CorpG52753103SHS736,782$7.30M0.1%–
Investindustrial Acquisition Corp.G4771L121UNIT 99/99/9999701,480$7.08M0.1%–
CF Acquisition Corp V12520R205UNIT 01/25/2026668,500$6.81M0.1%–
Mcap Acquisition Corp55282T208UNIT 02/18/2030675,400$6.74M0.1%–
Roth CH Acquisition II Co778673103COM674,344$6.70M0.1%–
Environmental Impact Acqu Co29408N205UNIT 11/05/2025643,160$6.63M0.1%–
Rotor Acquisition Corp77879W105COM660,422$6.59M0.1%–
Acon S2 Acquisition CorpG00748106CL SHS648,777$6.42M0.1%–
PDACPeridot Acquisition Corp.SHS CL A500,000$6.09M0.1%History
Empower LtdG3R39W102CL A COM607,808$6.08M0.1%–
Pioneer Merger Corp.G7S24C129UNIT 99/99/9999581,275$6.06M0.1%–
CTACKing LLC Merger Sub, LLCSHS CL A596,988$5.93M0.1%History
Nextgen Acquisition CorpG65305107CL A589,076$5.86M0.1%–
GIGCAPITAL4 Inc37518G200UNIT 99/99/9999571,740$5.84M0.1%–
Qell Acquisition CorpG7307X105CL A576,556$5.74M0.1%–
SKILSkillsoft Corp.CL A578,020$5.69M0.1%History
Spartacus Acquisition Corp84677L208UNIT 10/31/2027535,800$5.68M0.1%–
Nisource Inc.65473P121UNIT 12/01/202355,000$5.65M0.1%–
Spartan Acquisition Corp. III84677R205UNIT 99/99/9999561,868$5.65M0.1%–
Broadstone Acquisition CorpG1739V118UNIT 99/99/9999526,176$5.59M0.1%–
Locust Walk Acquisition Corp54015L301UNIT 12/31/2025529,660$5.40M0.1%–
HAEHaemonetics CorpCOM80,935$5.39M0.1%History